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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-17 12:52:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-17 12:52:02 -0700
commit96d8683483b7eb194609edd1afe9143a0467b7d3 (patch)
tree290e5caff3db097e57fb321dcdb5fe7d14463088 /drivers
parent15bbc1b28ff65767922f78c266821cc138b90a47 (diff)
parent46faeed4a61e220b99591e9773057160eb437cc8 (diff)
downloadvexpress-lsk-96d8683483b7eb194609edd1afe9143a0467b7d3.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fix from Sage Weil: "It's a simple fix for a hard to hit race, but low-risk and clearly correct" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: do a safe list traversal in rbd_img_request_submit()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/rbd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index f556f8a8b3f..b7b7a88d9f6 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1742,9 +1742,10 @@ static int rbd_img_request_submit(struct rbd_img_request *img_request)
struct rbd_device *rbd_dev = img_request->rbd_dev;
struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
struct rbd_obj_request *obj_request;
+ struct rbd_obj_request *next_obj_request;
dout("%s: img %p\n", __func__, img_request);
- for_each_obj_request(img_request, obj_request) {
+ for_each_obj_request_safe(img_request, obj_request, next_obj_request) {
int ret;
obj_request->callback = rbd_img_obj_callback;